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Accustat &
Accustat II Heat Pump Controls
Description:
 ACCUSTAT®
is a precision 2 stage heat/1 stage cool HVAC Energy Efficient Control designed
for heat pump
systems. Temperature sensing is achieve with snap-in preset sensors, which
activate SPST solid-state circuits to control the heat pump system.
The TLHP-AH22
can be field adapted to reversing valves that energize in either heating or
cooling mode.
LED lights for
emergency and auxiliary heat are standard. When EM HT is switched on,
compressor locks out. The TLHP-AH22 has heat/cool and auto change-over
switches.
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Specifications: |
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Input Voltage |
18-26 VAC |
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Load Rating |
1.5 Amps per stage |
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Case |
Plastic, white |
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Locking Case |
Special key required |
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Sensing |
Preset or adjustable |
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Wire Connections |
Screw Terminal |
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Dimensions |
4.6Wx4.6Hx1.5D (Accustat®)
6.6Wx3.6Hx1.5D (Accustat II®) |
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Model Information: |
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Model |
Function/Stages |
Sensors Required |
Switches |
Connections |
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LHP-AH22 |
1CL/2HT
1 REV Valve |
4 |
System: Off/On/EH; HT/Auto/CL
Fan: Auto/On |
R,V,W1,Y,C,G,X,Eh |
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Engineering Specifications: |
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TLHP-AH22 -
Thermostat shall be 2 stage heat/1stage cool type
with automatic heat/cool change-over specifically designed for heat pumps.
Temperature sensing shall be effected by hermetically sealed preset mercury
sensors activated built-in SPST solid state circuits.
Electrical rating shall be 0.1 Amp min. to 1.2 Amp max. (per stage) @
24-30 VAC. Emergency Heat and Auxiliary Heat LED indicators shall be
provided. Case shall provide selective locking feature to prevent access
(1) to sensors, or (2) both system switches and sensors. |
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Warranty: |
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PSG Controls carry a "limited 1
year warranty" against defects in workmanship and materials (contact PSG for
full warranty policy). |
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