Therma-Stor Products Group HI-E Dry Vehere User Manual
Owner’s Manual — HI-E Dry Vehere
Installation, Operation & Service Instructions
Read and Save These Instructions
The HI-E DRY Vehere Pool & Spa Humidity Controller featuring FOCUSTM Technology is the industries
most efficient, durable and economic product for controlling moisture related problems associated
with indoor pools, whirlpools, hot tubs, and therapy/lap pools.
Vehere delivers comfort and solves:
• Chemical Odors • Foggy Windows • Mold & Mildew • High Humidity Level
• Condensate and Structural Moisture Problems
The Vehere with FOCUSTM Technology is...
Performance, Reliability & Comfort
HI-E-Dry Vehere
Part Number 4025276
The Vehere utilizes technology, which dramatically
improves performance, product reliability and comfort.
Performance - The Vehere’s innovative heat transfer
technology offers our customers...
“HI-Efficiency” - A dehumidifier resulting in a
compact refrigeration system requiring less electric
consumption.
This ensures the use of a standard 20 Amp electrical
outlet and LOW OPERATING COSTS!
“HI-Capacity” - Vehere’s passive heat transfer process
allows the removal of over 192 pounds of water per
day! (80°F, 60% RH). That’s two- three times more
water removal per kilowatt-hour of electricity than
conventional dehumidifiers.
Compact - The Vehere’s stainless steel enclosure is
corrosion resistant with a built-in fan for low noise
operation. The Vehere features a cabinet mounted
or remotely located control, easy-roll casters, and
the highest dehumidification capacity available in it’s
class.
Reliability - Our compact design uses less refrigerant,
which reduces our cost and improves reliability. The
Vehere’s HI-Efficiency operation can save thousands of
dollars annually.
Comfort - The Vehere provides airflows up to 540
CFM (cubic feet/minute) of Dry Air. This airflow helps
reduce foggy windows, mold, mildew and condensate...
all reduced to increase indoor occupant comfort!
HI-E-Dry Vehere
PN 4025276
Specifications subject to change without notice.
Revised 10/06
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Table of Contents
1. Intended Application for Vehere ..............................1
2. Specifications & Capacities ....................................1
2.1 Vehere Diagram...............................................2
3. Installation ............................................................2
3.1 Location .........................................................2
3.1A Improper Installation .................................2
3.1B In humid area, no ducting .........................3
3.1C In humid area, duct inlet and/or outlet .......4
3.1D In remote area, duct inlet & outlet .............4
3.2 Mounting the Humidity Sensor/Controller ..........5
3.3 Electrical Requirements ...................................5
3.4 Condensate Removal .......................................5
3.5 Ducting ...........................................................5
3.5A Ducting kit ...............................................5
3.5B Ducting for Dehumidification .....................6
4. Operation .............................................................6
4.1 Humidity Control..............................................6
4.2 Humidity Control Adjustment ............................6
4.3 Fan Switch ......................................................6
4.4 Automatic Defrost Control ................................6
4.5 Automatic Low Pressure Control .......................6
5. Ventilation ............................................................7
5.1 Ventilation Recommendations ..........................7
6. Maintenance .........................................................7
6.1 Air Filter ..........................................................7
7. Service .................................................................7
7.1 Technical Description .......................................7
7.2 Troubleshooting ...............................................7
7.3 Refrigerant Charging ........................................8
7.4 Blower Replacement ........................................8
7.5 Low Pressure Control .......................................8
7.6 Relay ..............................................................8
8. Vehere Accessories ................................................8
9. Vehere Electrical Wiring Diagram ............................9
10. Service Parts .......................................................10
11. Warranty .............................................................11
Read these installation, operation and service
instructions carefully before installing and using this
unit. Proper adherence to these instructions is essential
to obtain maximum benefit from your Vehere pool & spa
humidity controller.
1 Intended Application
The intended application for the Vehere is as a pool &
spa area humidity sensing controller applied either as a
free-standing device directly in the pool area or operated
remotely to provide dehumidified air to the pool or spa
area using optional ducting and remotely mounting the
humidity controller. The Vehere high efficiency dehumidifier
utilizes refrigeration to cool an incoming air stream below
its dewpoint as it passes through an evaporator coil. This
cooling results in the removal of moisture (latent heat).
The cooled and dried air is used to pre-cool the incoming
air stream resulting in up to a 200 percent increase in
overall efficiency.
2 Specifications
Model: HI-E Dry Vehere (4025276)
Electrical: 110-120 VAC, 12.0 Amps, grounded
(7’ power cord included)
Compressor LRA: 64.5 Amps
Capacity: 184 pints/day @ 80°F, 60% RH
Air Flow: 540 CFM without external ducting
510 CFM @ .15 IWG external static
Refrigerant Charge: 2 lbs., 13 oz. R-22
Optional Duct Connections: 12” round inlet & outlet
Size (w/o duct collars): 36.5” Long x 19” Wide x 40” High
Weight: 180 lbs.
Controller Accuracy: +/- 5% RH @ 72°F
Capacities
The Vehere is designed to control humidity for indoor
pool (spa, hot tub) areas. It consists of a controller,
dehumidifying cooling system, filter, fan and delivers the
following dehumidification capacities:
Air Temp/Relative Humidity Lbs./Hour Lbs./Day
80°F/80%RH 10.34 248
82°F/60%RH* 8.336 200
80°F/60%RH 8.04 193
60°F/80%RH 7.17 172
Air Temp/Relative Humidity Pints/Hour Pints/Day
80°F/80%RH 9.92 238
82°F/60%RH* 7.95 191
80°F/60%RH 7.71 184
60°F/80%RH 6.67 160
• If used near a pool or spa, be certain there is NO
chance the unit could roll into the water or be
splashed and that it is plugged into a GROUND FAULT
INTERRUPTER.
• DO NOT use the Vehere as a bench or table.
• Avoid discharging the exhaust directly at people or
pets.
Air Temp/Relative Humidity BTUs/Hour KWH/Day
(derived)
80°F/80%RH 15313 37.1
82°F/60%RH* 13114 35.3
80°F/60%RH 12680 34.3
60°F/80%RH 10869 27.5
*ASHRAE Recommended Conditions
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2.1 Vehere Diagram
36.5”
A
C
C
B
E
D
G
F
40”
19”
Vehere Pool & Spa
Humidity Controller
A - Air Intake
B - Humidity Sensor/Control
C - Filters
D - Air Exhaust
E - Fan Switch
F - Power Cord
G - Drain Hose
3 Installation Options
3.1 Location
The Vehere can be installed in a variety of locations to meet
the owner’s needs; other considerations include:
1. Providing access to a 115 VAC power outlet (7’ power
cord is provided).
2. Locating near a floor or other suitable drain (4’ drain
hose included).
3.1A Improper Installation
Do not install the Vehere with the exhaust of the unit within
3’ of a wall or obstruction. Do not place the unit near open
water. (See Fig. 2)
Figure 2: Installation clearance requirements
Figure 1: Vehere diagram.
3.1B In Humid Area, No Ducting
The simplest installation is to place the Vehere in the pool
area with no ducting. The Vehere must be at least 3’ from
walls and other air obstructions, at the return and supply
sides of the Vehere. (See Figure 3)
Figure 3: Installation in humid area with no ducting
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Dehumidistats
for Quiet-Vent and
remote Vehere
Direct Warm & Dry Air
Toward Window Glass
Quiet-V
ent
Optional Quiet-Vent
Exhaust Ventilator
Low = 165 CFM
high = 290 CFM
Vehere Pool & Spa
Humidity Controller
Figure 4: Installation in humid area with ducting.
Quiet-V
ent
Dehumidistats
for Quiet-Vent and
remote Vehere
Direct Warm & Dry Air
Toward Window Glass
Optional Quiet-Vent
Exhaust Ventilator
Low = 165 CFM
high = 290 CFM
Vehere Pool & Spa
Humidity Controller
3.1C In Humid Area, Duct Inlet and/or Outlet
If the pool room is very large or has high ceilings,
dehumidification can be improved by adding an inlet
and/or outlet duct to circulate and destratify stagnant
areas. Add inlet or outlet ducting to create flow across the
area’s greatest length. For areas with ceilings higher than
12’, use an inlet duct to draw warm, moist air from near
the ceiling. See section 4.5 for attaching duct collars &
ducting. (See Fig. 4)
3.1D In Remote Area, Duct Inlet & Outlet
It is often desirable, to install the Vehere in an adjacent
equipment room or unfinished area. Air is then transferred
between the humid room and the unit via ducting.
Remotely mount the Vehere humidity control in the humid
room and wire to the Vehere. Local electrical codes must
be followed when wiring the control. Refer to the “Mounting
the Humidity Sensor/Controller” section which follows.
(See Fig. 5)
Figure 5: Installation in remote area with ducting.
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