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Description |
Beige Thermostat Package with manual heat or cool changeover and G,B,E,W1,Y,R,X,O,L,X2,W2,W3 terminals for multistage heating and cooling systems |
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Application |
Multistage Heat and Cool Systems |
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Changeover |
Manual Heat or Cool |
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Terminal Designations |
G, B, E, W1, Y, R, X, O, L, X2, W2, W3 |
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Switch Positions (System) |
OFF-HEAT-COOL-EM. HEAT |
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Dimensions (in.) |
(including Q674 subbase) 3 9/16 in. high x 5 5/8 in. wide x 2 3/16 in. deep |
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Dimensions (mm) |
(including Q674 subbase) 91 mm high x 143 mm wide x 56 mm deep |
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Setting Temperature Range (F) |
42 F to 88 F |
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Differential Temperature (C) |
2C minimum between heating and cooling. |
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Anticipator (cooling) |
0 to 1.2A fixed |
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Anticipator (heating) |
fixed stage1 0 to 1.0A / adj. Stage2 0.1A to 0.1 to 1.2A |
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Cool Current |
1st Stage 1.5A running, 6.5A inrush at 30 Vac max. |
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Cool Current |
2nd Stage 1.2 running and 6.5A inrush at 30 Vac max. |
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Heat Current |
1st Stage 1.5A running, 6.5A inrush at 30 Vac max. |
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Heat Current |
2nd Stage 1.2 running and 6.5A inrush at 30 Vac max. |
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Fan Operation |
Auto Fan in EM. HEAT |
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LEDs |
AUX.HT., EM.HT., CHECK |
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Ambient Temperature Range (F) |
40 F to 90 F |
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Ambient Temperature Range (C) |
4 C to 32 C |
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Approvals, Canadian Standards Association |
Thermostat Certified; File No. LR95329-1 |
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Includes |
Q674L1587 subbase & T874R1616 thermostat |
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Comments |
For heat pump applications. Includes locking cover with thermometer. Field adjustable range stops and locking levers. Removable jumper between W1 and Y. |
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Tradeline Value |
Super Tradeline |
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