TECHNICAL GUIDE
MODEL: GY8S160E30UH21
GAS-FIRED COMMERCIAL BELT -DRIVE
MID-EFFICIENCY MULTI-POSITION
UPFLOW/HORIZONTAL FURNACE
160 MBH INPUT
Due to continuous product improvement, specifications are subject to change without notic e.
Visit us on the web at www.york.com for the most
up-to-date technical information.
Additional information can be found at
www.gamanet.org.
TECHNICAL
GUIDE
TECHNICAL
GUIDE
286125-BTG-B-1211
DESCRIPTION
This mid-high efficiency, compact unit employs induced combustion, reliable hot surface ignition and high heat transfer
tubular heat exchangers. The unit is factory shipped for
installation in upflow or horizontal applications.
This furnace is designed for residential and commercial
applications. The unit is factory assembled, wired and tested
to assure safe dependable and economical installation and
operation.
The unit is Category I listed and may be common vented with
another gas appliance as allowed by the National Fuel Gas
Code.
WARRANTY
20-year limited warranty on the heat exchanger.
10-year heat exchanger warranty on commercial applications.
5-year limited parts warranty.
FEATURES
• Easily applied in upflow, horizontal left or horizontal right
installation with no conversion necessary
• Electronic hot surface ignition with high reliability and
dependability
• 100% shut off main gas valve for added safety
• Rollout safety control
• Large belt-drive blower for high CFM and static
capability
• 1-1/2 HP ball bearing motor
• Reliable hot surface igniter
• High quality inducer motor for quiet operation
• Standard terminals for controlling humidifiers and EAC’s
or other commercial application requirements
• 40 VA control transformer fuse protected
• Easy to connect power and control wiring
• Efficiency ratings of 78 AFUE attained by using tubular
heat exchangers
• Cooling relay supplied for easy installation of add-on
cooling
• Adjustable fan-off settings to eliminate “cold-blow”
• Compact 43-1/2 in. height allows installation in small
space confines
• Equipped with timer relay providing motor protection if
operated on continuous blower or if unit is “twinned”
• 208/230 volt operation, convertible for 115 volt
• Model is propane convertible
• Attractive pre-paint finished steel cabinet for durability
and corrosion resistance
FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE
286125-BTG-B-1211
4
B
A
C
A
E
F
FRONT
LEFT SIDE
RIGHT SIDE
TOP IMAGE
(front)
BOTTOM IMAGE
(front)
28-1/2
26-1/2
19-1/4
31
43-1/2
3/4
28-1/2
13-3/4
2-1/2
19-1/4
16
35-1/2
2
2-1/2
9-1/4
4
D
D
14
23-1/2
1-1/8
2-1/4
T’STAT WIRING
7/8” K.O.
GAS INLET
1-1/4” x 2-1/2”
OPTIONAL SIDE
RETURN CUT-OUT
(either side)
POWER WIRING
7/8” HOLE
ACCESS
WIRING
7/8” K.O.
VENT CONNECTION
(vent size - see note)
VENT CONNECTION
(see note)
NOTE: Vent must be increased to 5” using adaptor provided
CABINET AND DUCT DIMENSIONS
Model Number
Nominal
CFM
A(in.) B(in.) C(in.) D(in.) E(in.) F(in.)
Cabinet Dimension
GY8S160E30UH21 3500 32 1/4 31 30 1/4 4.0 19 1/8 3 3/4
RATINGS & PHYSICAL / ELECTRICAL DATA - UPFLOW MODELS
Nominal
Airflow
Model
Input Output
MBH MBH CFM Inches °F °C Lbs
GY8S160E30UH21 160 130 3500 32-1/4 25-55 13-31 78.0 250
Model
GY8S160E30UH21
Max. Outlet
Air Temp
°F °C Hp
150 65.6 1.5 10 12 x 15
208/230 VAC (ONLY)
Blower
Amps @
230 VAC
115 AND 208/230 VAC (SPLIT)
1. AFUE numbers are determined in accordance with DOE test procedures.
2. Wire size and overcurrent pr otection must comply with the National Electrical Code (ANSI/NFPA-70-latest edition).
3. Motor must be converted for 115 VAC operation.
4. For altitudes above 2,000 ft., reduce capacity 4% for each 1,00 0 ft. above sea level. Refer to Form 650.74-N1.1V
5. Wire size based on copper conductors, 60°C, 3% voltage drop.
6. See Replacement Parts list for LP gas and High Altitude conversion kits. External filter kits (bottom & sides) are also available for models above.
Continuous return air temperatures must not be below 55°F (13°C).
HORIZONTAL VENTING - WITH APPROVED AUXILIARY POWER VENTER
115 VAC (ONLY)
3
Horizontal Vent Length Ft (m) with 4 Elbows
Pipe Size Minimum Vent Length Maximum Vent Length
Inches Feet Feet
5 4.5 34.5
2 Unitary Products Group
Cabinet
Width
Blower
Size
Inches
Air Temp. Rise
Total Unit
Amps
Max
Over-current
protection
15 20 12
6 & 11 15 12
27 30 10
Operation
AFUE
Weight
Min. Wire size (awg)
@ 75 ft. one way