GE 7500 Series Owner’s Manual & Installation Instructions

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Safety Instructions . . . . . . . . . . .2

Operating Instructions

Controls—Dip Switches . . . . . . . . .3–5

Controls—Terminal

Connections . . . . . . . . . . . . . . . . . . .6, 7

On/Off Switch . . . . . . . . . . . . . . . . . . . .8

Ventilation Control . . . . . . . . . . . . . . . .8

Care and Cleaning

Air Filters . . . . . . . . . . . . . . . . . . . . . . . . .9

Base Pan . . . . . . . . . . . . . . . . . . . . . . . . .9

Exhaust Coils . . . . . . . . . . . . . . . . . . . . .9

Installation Instructions

Electrical Supply . . . . . . . . . . . . .11–13

Installing the Zoneline . . . . . . .14–21

Preparation . . . . . . . . . . . . . . . . . . . . .10

Servicing . . . . . . . . . . . . . . . . . . . . . . . .22

Troubleshooting Tips . . . . . . .23

Normal Operating Sounds . . . . . . .24

Consumer Support

Consumer Support . . . . . .Back Cover

Warranty . . . . . . . . . . . . . . . . . . . . . . .27

Write the model and serial numbers here:

Model # __________________

Serial # __________________

Find these numbers on a label on the front case panel.

Owner’s Manual and

Installation Instructions

Cool Only, Heat/Cool and

Heat Pump Models

7500 Series

Printed in China

TINSEA517JBRZ 49-7594-1 10-08 JR

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IMPORTANT SAFETY INFORMATION.

READ ALL INSTRUCTIONS BEFORE USING.

WARNING!

For your safety, the information in this manual must be followed to minimize the risk of fire, electric shock, or to prevent property damage, personal injury, or loss of life.

SAFETY PRECAUTIONS

■This Zoneline must be properly installed in accordance with the Installation Instructions before it is used.

See the Installation Instructions in the back of this manual.

■Replace immediately all electric service cords that have become frayed or otherwise damaged. A damaged power supply cord must be replaced with

a new power supply cord obtained

from the manufacturer and not repaired. Do not use a cord that shows cracks

or abrasion damage along its length or at either the plug or connector end.

■Product must be operated with

the electrical plug supplied with the product. Do not replace the electrical plug supplied with the product.

■If the receptacle does not match the plug, the receptacle must be changed out by

a qualified electrician.

■Unplug or disconnect the Zoneline

at the fuse box or circuit breaker before making any repairs.

NOTE: We strongly recommend that

any servicing be performed by a qualified individual.

■All air conditioners contain refrigerants, which under federal law must be removed prior to product disposal.

If you are getting rid of an old product with refrigerants, check with the company handling disposal about what to do.

READ AND FOLLOW THIS SAFETY INFORMATION CAREFULLY.

SAVE THESE INSTRUCTIONS

2

Controls–dip switches.	ge.com
Controls–Dip Switches

The dip switch controls are located behind the front case panel, through an opening on the front of the unit.

To access the dip switches, remove the front case panel by removing the filter, taking out

the four front screws, the upper two screws from the top of the panel and the shipping screws on each side, if present. (Discard the two side shipping screws, if present).

Side

shipping screw

Side shipping screw

Dip

Switches

NOTE:The owner is responsible for setting the appropriate dip switches and connecting terminals.

TL1 (C) (Temp. Limit 1–Cool)

TL1 (H) (Temp. Limit 1–Heat)

TL2 (C) (Temp. Limit 2–Cool)

TL2 (H) (Temp. Limit 2–Heat)

TL3 (C) (Temp. Limit 3–Cool)

TL3 (H) (Temp. Limit 3–Heat)

2									No Function (Reserved for future use)
ALL I	R (All Electric Heat) (Heat-pump models only)								DUCT (Blower Fan)
	FREEZ S (Freeze Sentinel)
									OCCUPIED (Occupancy Sensor)
	CONST FAN (Constant ON Fan)

All Electric Heat (Heat pump models only)

When this switch is enabled (UP), heat pump operation is locked out, causing the unit to provide only electric resistance heat.

ALL I2R (All Electric Heat)

3

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Controls–dip switches.

Freeze Sentinel (Requires room air sensor kit–RAVRMS)

When this switch is enabled (UP), it turns OFF the freeze sentinel protection feature. With the switch disabled (DOWN), the freeze sentinel is activated which automatically provides heat without user interface. This helps to prevent plumbing damage by turning the heater

and fans ON at 41° F and OFF at 46° F.	FREEZE S (Freeze Sentinel)

Constant ON Fan

When this switch is enabled (UP), it allows the fan to run continuously.

CONST FAN (Constant

ON Fan)

Occupancy Sensor

When this switch is enabled (UP), it allows the unit

to utilize an infrared motion sensor and a door switch for occupancy detection. This feature allows an energy management system

to be installed and operated in conjunction with the unit.

OCCUPIED (Occupancy Sensor)

Duct

The duct select function allows the indoor

fan to be operated at two variable fan speeds. When this switch is enabled (UP), the unit automatically selects either high or middle fan speed (for longer ductwork applications). When set in the down position, the unit is automatically operated in either the middle or low fan speed

(for shorter ductwork applications).

DUCT

(Blower Fan)

4

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Temperature Limiting (Requires room air sensor kit–RAVRMS)

Temperature limiting can reduce energy costs	of auxiliary controls. The first three switches are
by limiting the lowest temperature that can be	used to select the cooling limits. The next three
set for cooling and the highest temperature that	switches are used to control the heating limits.

can be set for heating. Temperature limiting is controlled by switches 1–6 on the top block

TL1 (C) (Temp. Limit 1–Cool)

TL1 (H) (Temp. Limit 1–Heat)*

TL2 (C) (Temp. Limit 2–Cool)

TL2 (H) (Temp. Limit 2–Heat)*

TL3 (C) (Temp. Limit 3–Cool)

TL3 (H) (Temp. Limit 3–Heat)*

Temperature limiting during COOL mode (all temperatures shown in °F)

	UP	DOWN	Minimum	Maximum
	NONE	1, 2, 3	60°	85°
	1	2, 3	64°	85°
	1, 2	3	66°	85°
	2	1, 3	68°	85°
	2,3	1	70°	85°
	1, 2, 3	NONE	72°	85°
	1, 3	2	74°	85°
	3	1, 2	76°	85°

* Not applicable to Cool-Only models

Temperature limiting during HEAT mode (all temperatures shown in °F)*

	UP	DOWN	Minimum	Maximum
	NONE	4, 5, 6	60°	85°
	4	5, 6	60°	80°
	4, 5	6	60°	78°
	5	4, 6	60°	76°
	5,6	4	60°	74°
	4, 5, 6	NONE	60°	72°
	4, 6	5	60°	70°
	6	4, 5	60°	65°

5

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Controls—terminal connections.

Controls–Terminal Connections

The terminal connections are located behind the front case panel through an opening

on the front of the unit.

To access the terminal connections, remove the front panel by removing the filter, taking out

the four front screws, the upper two screws from the top of the panel and the shipping screws on each side, if present. (Discard the two side shipping screws, if present.)

Insert the building hook-up wires into the bottom of the terminals and tighten screws securely

to make the desired connections.

Route the wires from the terminal connections through the unit wire guides and out through the case wire guide.

NOTE:The owner is responsible for setting the appropriate dip switches and connecting terminals.

Room Air Sensor

Motion Sensor

Door Sensor

Central Desk Control

CAUTION:

Improper CDC wiring may damage the Zoneline electronics or cause erratic Zoneline operation. No common busing is permitted. A separate wire pair must be run from each separate controlling switch to each individual Zoneline.

Route wires through wire guides

Terminal connections

Common–Ground

White–Heater

Yellow–Compressor

Black–Reversing Valve

Green–High Speed Fan

Green–Low Speed Fan

Red–24V AC only

Room Air Sensor (Requires room air sensor kit – RAVRMS)

When connected, the room air sensor will allow utilization of the temperature limiting and freeze sentinel features.

NOTE:If GE thermostat RAK148D1, RAK148P1 or RAK164D1, RAK164P1 is used with the unit,

the room sensor kit is not needed for temperature

limiting since this feature is incorporated in the	Room Air Sensor
thermostats.

Hydronic Heating (Requires Hydronic Heating Kit – RAVHW1, RAVHW2 or RAVHW3)

Required connections for hydronic heating kit.

NOTE:R, W, C terminal connections will

also be connected to the remote thermostat if applicable.

Hydronic Heating

6

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Motion Sensor (Obtained locally)
The Occupancy Sensor dip switch must be in
the up position to use this feature.
When connected, the wall mounted motion sensor
will detect motion in the room and automatically
cycle the unit between normal operation and
energy management operation.	Motion Sensor

The door and motion sensors work together

to automatically cycle the unit between normal operation and energy management operation.

Door Sensor (Obtained locally)

The Occupancy Sensor dip switch must be in the up position to use this feature.

When connected, the door sensor will detect
when the door in the room is opened or closed.
This feature must be used in conjunction with
the motion sensor.	Door Sensor

The door and motion sensors work together

to automatically cycle the unit between normal and energy management operations.

Central Desk Control

When connected, the unit lock-out is released

and it can be turned ON or OFF with a switch located at the Central Desk Control. A separate

wire pair must be run from each separate controlling switch to each individual Zoneline.

Central Desk Control

Remote Thermostat

The unit will be controlled by a remote thermostat.

IMPORTANT:

The Zoneline thermostat connections provide 24V AC only.

If using a digital/electronic wall thermostat, you must set it to the 24V AC setting. See the Installation Instructions for the wall thermostat.

CAUTION:

Damage to a wall thermostat or to the Zoneline electronics can result from improper connections. Exercise extra attention when connecting blue and black wires. No line

voltage connections should be made to any circuit in the thermostat. Isolate all wires in building from line voltage.

Red–24V AC only

Green–Low Speed Fan

Green–High Speed Fan

Black–Reversing Valve

Yellow–Compressor

White–Heater

Common–Ground

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Other features of your Zoneline.

On/Off Switch

The unit on/off switch is located on the front of the Zoneline.

To turn on the unit, press the top of the switch in.	ON/OFF
To turn off the unit, press the bottom	switch
of the switch in.

Ventilation Control

The ventilation control lever is located on the left side of the Zoneline unit, behind the front case panel.

To access the ventilation control lever, remove the front panel by removing the filter, taking out the four front screws, the upper two screws from the top of the panel and the shipping screws on

each side, if present. (Discard the two side shipping screws, if present).

When the lever is in the CLOSE position, only the air inside the room is circulated and filtered.

When the lever is in the OPEN position, some outdoor air will be drawn into the room. This will reduce the heating or cooling efficiency.

To close the vent, push the vent lever handle down, pull it forward and lock it up in place.

To open the vent, push the vent lever handle down, push it back and lock it up in place.

Open

Close

Vent control (push lever down and pull forward or back to operate)

Energy Tip: Keep the vent control in the CLOSE position. The room air will be filtered and circulated.

About Heat Pumps (on some models)

Heat pumps can reduce operating costs by exchanging heat from the outside air—even when the outside temperature is below freezing— and releasing that heat indoors.

To get the best economic benefit from your heat pump, don’t change the room thermostat setting very often. Raising the heat setting 2–3 degrees will cause the Zoneline to use its electric heating elements in order to reach the new temperature setting quickly.

There is a three minute minimum compressor run time at any setting to prevent short cycling.

The indoor fan motor starts before the compressor and stops after the compressor cycles off.

The electric heating elements use much more electricity than heat pumps and cost more to operate.

	Do Not Operate Cool-Only Models in Freezing Outdoor Conditions
	Cool-only air conditioners are not designed
	for use when freezing outdoor conditions exist.
8	They must not be used in freezing outdoor
	conditions.

Care and cleaning.

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Turn off the Zoneline and disconnect the power supply before cleaning.

Indoor/Outdoor Coils

The exhaust coils on the Zoneline should be checked regularly. If they are clogged with dirt

or soot, they may be professionally steam cleaned by your GE service center. You will need to remove the unit from the case to inspect the coils because the dirt build-up occurs on the exhaust side.

Outdoor coils

Have the coils cleaned regularly.

Drain

Clean the drain system regularly to prevent clogging.

Base Pan

In some installations, dirt or other debris may	In some areas of the United States, a “gel-like”
be blown into the unit from the outside and settle	substance may be present in the base pan.
in the base pan (the bottom of the unit).	Check it periodically and clean, if necessary.

Air Filters

To maintain optimum performance, change the filter at least every 30 days.

The most important thing you can do to maintain the Zoneline is to change the filter at least every 30 days. Dirty filters reduce cooling, heating

and air flow.

Changing the filter will: Decrease cost of operation, save energy, prevent clogged heat exchanger coils and reduce the risk of premature component failure.

CAUTION: Do not operate

the Zoneline without the filter in place. If a filter becomes torn or damaged, it should be replaced immediately.

Operating without the filter in place or with

a damaged filter will allow dirt and dust to reach the indoor coil and reduce the cooling, heating, airflow and efficiency of the unit.

Replacement filters should be purchased from your local retailer where air conditioner and furnace accessories are sold.

Filter size required is 20″ x 20″ x 1″.

To remove and replace the filter:

Filter

Return air grille

Remove filter

Unit-mounted filter

Filter

Access-panel with	9
return air grille

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Installation	Zoneline Air
Instructions	Conditioners

Questions? Visit our Website at:ge.com or call 800.GE.CARES (800.432.2737).

BEFORE YOU BEGIN

Read these instructions completely and carefully.

• IMPORTANT –Save these instructions for local inspector’s use.

• IMPORTANT –Observe all governing codes and ordinances.

• Note to Installer – Be sure to leave these instructions with the owner.

• Note to Owner – Keep these instructions for future reference.

•Proper installation is the responsibility of the installer.

•Product failure due to improper installation is not covered under the Warranty.

•You MUST use all supplied parts and use proper installation procedures as described in these instructions when installing this air conditioner.

TOOLS YOU WILL NEED

Phillips screwdriver	Adjustable wrench
Saw	Hammer
	Tape measure

WARNING: Before beginning the installation, switch power off at the service panel and lock the area to prevent power from being switched on accidentally. When the area cannot be locked, securely fasten a prominent warning device, such as a tag, to the service panel.

IMPORTANT ELECTRICAL SAFETY–READ CAREFULLY

CAUTION:

•All electrical connections and wiring MUST be installed by a qualified electrician.

•Follow the National Electrical Code (NEC) and/or local codes and ordinances.

•For personal safety, this Zoneline unit and case must be properly grounded.

•Protective devices (fuses or circuit breakers) acceptable for Zoneline installations are specified on the nameplate of each unit.

•Do not use an extension cord with this unit.

•Aluminum building wiring may present special problems—consult a qualified electrician.

•When the unit is not running there is still voltage to the electrical controls.

•Disconnect the power to the unit before servicing by:

1.Removing the power cord (if it has one) from the wall receptacle.

OR

2.Removing the branch circuit fuses or turning the circuit breakers off at the panel.

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Installation Instructions

ELECTRICAL REQUIREMENTS

•Use ONLY the wiring size recommended for single outlet branch circuit.

•Proper current protection is the responsibility of the owner.

Recommended branch circuit wire sizes*

Nameplate
maximum circuit	AWG Wire
breaker size	size**
15A	14
20A	12
30A	10

AWG – American Wire Gauge

*Single circuit breaker from main box

** Based on copper wire, single insulated conductor at 60° C

NOTE: Use copper conductors only.

230/208 VOLT ELECTRICAL SUPPLY

A power supply kit must be used to supply power to the Zoneline unit. The appropriate kit is determined by the voltage, the means of electrical connection

and the amperage of the branch circuit. See the POWER CONNECTION CHART on page 13 to select the appropriate kit.

Power supply kit

All wiring, including installation of the receptacle, must be in accordance with the NEC and local codes, ordinances and regulations.

Tandem

Perpendicular

Large Tandem

15 Amp

20 Amp

30 Amp

230/208 volt receptacle configuration

FOR 230/208 VOLT POWER CORD CONNECTIONS ONLY

1.Remove the front panel by taking out the four front screws, the upper two screws from the top of the panel and the shipping screws on each side, if present. (Discard the two side shipping screws,

if present.)

Side shipping

screw

Side shipping screw

2.Remove the junction box cover and the junction box and discard.

Remove junction box and cover

3.Connect the strain

Strain relief

IMPORTANT:

Power cord must have a loop.

11

Installation Instructions

DIRECT CONNECT APPLICATIONS

FOR 230/208 VOLT DIRECT CONNECT APPLICATIONS ONLY

Direct connection to branch circuit wiring inside

the provided junction box must be made by connecting as follows in steps 1–3 below.

Connector

FOR 265 VOLT DIRECT CONNECT APPLICATIONS ONLY

IMPORTANT: Connection of a 265V AC product

to a branch circuit MUST be done by direct connection in accordance with the National Electrical Code. Plugging this unit into a building mounted exposed receptacle

is not permitted by code.

These models must be installed using the appropriate GE power supply kit for the branch circuit amperage and the electrical resistance heater wattage desired. See the POWER CONNECTION CHART on page 13

to select the appropriate kit.

It is the responsibility of the installer to ensure

the connection of components is done in accordance with electrical codes.

Direct connection to branch circuit wiring inside

the provided junction box must be made by connecting as follows in steps 1–3 below.

1REMOVE JUNCTION BOX COVER

•Remove the junction box cover by taking out the front two screws.

2ATTACH CONDUIT

•Use the round knockout hole at the top

of the junction box to install conduit coming

from the branch circuit. Install and clamp the conduit

through the conduit clamp and bring wire leads into the junction box. Leave 8″ of wire free from the end of the conduit.

Conduit	Conduit
	clamp

Junction box

Junction box cover

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Installation Instructions

DIRECT CONNECT APPLICATIONS

3MAKE WIRE LEAD CONNECTIONS INSIDE THE JUNCTION BOX

1.Make all wire connections by using appropriate UL-listed electrical connectors and techniques.

2.Select the applicable wiring situation and follow the instructions accordingly:

•1-Phase 220-240 VAC

When connecting the Zoneline to a single-phase circuit for 230V applications:

Connect the white and black leads of the Zoneline power supply kit to the branch circuit L1 and L2 leads. (The white lead of the power supply kit should be identified by the installer using electrical tape with some color other than green or white.) Connect the green lead of the power supply kit to the power supply and branch circuit ground.

•3-Phase 208 VAC

When connecting the Zoneline to a three-phase circuit for 208V applications:

Connect the white and black leads of the Zoneline power supply kit to the branch circuit L1 and L2 leads. (The white lead of the power supply kit should be identified by the installer using electrical tape with some color other than green or white.) Connect the green lead of the power supply kit to the power supply and branch circuit ground.

•3-Phase 208 VAC with “Crazy Leg”

When connecting the Zoneline to a three-phase circuit with “Crazy Leg” for 208V applications:

Connect the white and black leads of the Zoneline power supply kit to the branch circuit Neutral and L1 leads. (The white lead of the power supply kit should be connected to neutral.) Connect the green lead of the power supply kit to the power supply and branch circuit ground.

•3-Phase 253-277 VAC

When connecting the Zoneline to a three-phase circuit for 265V applications:

Connect the white and black leads of the Zoneline power supply kit to the branch circuit Neutral and L1 leads. (The white lead of the power supply kit should be connected to neutral.) Connect the green lead of the power supply kit to the power supply and branch circuit ground.

3.Be sure that all wire leads are inside the junction box and not pinched between the box and the unit. The green insulated ground wire from the Zoneline MUST be connected to the branch circuit ground wire.

4.Plug the 9-pin connector into the 9-pin receptacle in the junction box.

5.Replace the junction box cover by replacing the two screws removed earlier.

Conduit

Make wire lead connections

POWER CONNECTION CHART

Power Cord Connections

230/208 Volt	Wall Plug		Heater Wattage
Power Supply Kits	Configuration	Circuit Protective Device	@ 230/208 Volts
RAK3152	Tandem	15-Amp Time-Delay Fuse or Breaker	2.55/2.09 KW
RAK3202	Perpendicular	20-Amp Time-Delay Fuse or Breaker	3.45/2.82 KW
RAK3302	Large Tandem	30-Amp Time-Delay Fuse or Breaker	5.00/4.10 KW

Direct Connections

230/208 Volt	Heater Wattage
Power Supply Kits	@ 230/208 Volts	Circuit Protective Device
RAK4157	2.55 KW/2.09 KW	15-Amp Time-Delay Fuse or Breaker
RAK4207	3.45 KW/2.82 KW	20-Amp Time-Delay Fuse or Breaker
RAK4307	5.00 KW/4.10 KW	30-Amp Time-Delay Fuse or Breaker

265 Volt	Heater Wattage
Power Supply Kits	@ 265 Volts	Circuit Protective Device
RAK5157	2.55 KW	15-Amp Time-Delay Fuse or Breaker
RAK5207	3.45 KW	20-Amp Time-Delay Fuse or Breaker
RAK5307	5.00 KW	30-Amp Time-Delay Fuse or Breaker

13

Installation Instructions

ZONELINE COMPONENTS

Case

Zoneline unit

Front Case Panel

REQUIRED ACCESSORIES

(Check the “Essential Elements” label on the unit.)

Architectural Louver

RAVAL1

Cutout

Dimensions: 20″ W x 321⁄4″ H

Wall Plenum RAVWP6 - 6″D x 193⁄4″W x 32″H RAVWP8 - 8″D x 193⁄4″W x 32″H RAVWP12 - 12″D x 193⁄4″W x 32″H RAVWP15 - 15″D x 193⁄4″W x 32″H

30″

	Cutout		Cutout
		22 1⁄2″	Dimensions:
	Dimensions:
			203⁄8″W x 203⁄8″H
	28″W x 48″H
	50″

	Access Panel with		OR	Return Air Grille
	Return Air Grille			RAVRG2
			22 1⁄2″
	RAVRG1
	Wall Thermostat
	Model Type	Mechanical Thermostat		Electronic Thermostat
	Heat/Cool Models		4-wire	5-wire
	Heat Pump Models		6-wire	6-wire

Check the thermostat instructions for correct wiring and installation requirements.

14

Installation Instructions

TYPICAL UTILITY CLOSET AND DIMENSIONS

(FOR REFERENCE ONLY)

UNIT INSTALLED THROUGH FRONT OF CASE						UNIT INSTALLED THROUGH SIDE OF CASE
	Top View						Top View

Architectural Louver

		111⁄2″
		3″ min.
	10″	10″
		duct
3″
min.
Unit		4″ min.
front	Door/access panel

Architectural Louver

	111⁄2″	3″ min.
	10″	Door/access panel
10″	duct
3″
min.
Unit front	5″ min.

Side View

	Inside wall	Rigid
		ductwork			Outside wall
		Flexible or
		rigid duct		14″ min. – Required only if optional Hydronic
		Air discharge		Heating Kit (RAVHW1, RAVHW2, RAVHW3) is to
	• 4″ min. from front of case – Unit			be installed. Clearance for installation should be
		outlet
				taken into consideration if this kit is to be used.
	installed through FRONT of case.
	• 5″ min. from front of case – Unit		Unit	Wall
	installed through SIDE of case.
		31″		plenum
	• 3″ min. from two sides of case.		Wall plenum
				Plenum
			divider
	Option 1			cutout
					Exterior/Outside
				321⁄4″ H
	Access panel with
			Filter bracket	x 20″ W
	return air grille
	Option 2		Drain fittings 3⁄4″
	Return air grille
					Bottom of case approx. 2″
	A		Secure platform		above bottom of plenum
			to the floor		Wall plenum
		8″ min.	Platform: 231⁄4″ x 231⁄4″ square
		for drain	Min. load capacity: 175 lbs.
		access
	B				Bottom of case approx. 2″
					above bottom of plenum
			Platform

			Field supplied
A	Minimum recommended access door width: 30″	Outside wall	outer flashing
B	Minimum recommended access door height: 50″

15

Installation Instructions

UTILITY CLOSET CONNECTION LOCATIONS

IMPORTANT: Plan and locate plenum, wall plug, drains and thermostat carefully to avoid interference. Hard-to-reach locations will make installation and service difficult!

Flex duct may be used for transitions only

Use rigid duct for 90° bends and tees

Outside wall

			230/208 VAC
G	A	B	wall receptacle

or

conduit for direct connection

Reference Dimensions

A Thermostat cable: 91⁄ 2′ long

B Power cord: 60″ long

C Case width and depth: 231⁄ 8″

D Case height: 31″

ECondensate drains: 3/4″ connector

•Primary Drain – Centerline of cutout is approximately 51⁄ 4″ from left case wall and 81⁄ 2″ from back case wall.

•Secondary Drain – Centerline of cutout is approximately 61⁄ 2″ from left case wall and 51⁄ 4″ from back case wall.

F Typical wall plug: 6″–12″ above case

G Room air sensor kit: 10′ long

F

C

C

D

E

Platform

16

Installation Instructions

RETURN AIR GRILLE INSTALLATION OPTIONS

The room return air grille may be installed toward the front or either side of the unit. Improper return air arrangements will cause performance problems.

There are three indoor return air grille installation options. Choose the option that best suits your installation requirements. Follow the Installation Instructions provided with the return air grille accessory for installation details.

NOTE: Use only one filter in the installation. The filter may be installed on the unit or in the access panel/door.

Outside wall

RAVRG1 – Access panel with return air grille

Filter

	Option 1
Unit-mounted filter with a field-supplied return	RAVRG2 – Return air grille
air grille and access door/panel

Filter

Filter

Option 3		Option 2

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