Electronic Controls
77
TG-V Terminal Voltage Chart
Voltages must be checked with the yellow
jacketed sensor hooked across the SN terminals
and the bulb placed in a 32 F (0 C) ice-water bath.
HSC - High Speed Cool
LSC - Low Speed Cool
LSH - Low Speed Heat
HSH - High Speed Heat
HSC
Setpoint
24 F
LSC
Setpoint
29 F
LSH
Setpoint
33 F
HSH
Setpoint
36 F
8
12 Vdc
12 Vdc
12 Vdc
12 Vdc
CH
0 Vdc
0 Vdc
0 Vdc
0 Vdc
29
0 Vdc
0 Vdc
0 Vdc
0 Vdc
10T
12 Vdc
0 Vdc
0 Vdc
12 Vdc
See note below.
14T
0 Vdc
0 Vdc
12 Vdc
12 Vdc
Return Air
Sensor
SN
—
—
—
—
SN
—
—
—
—
HFL
0 Vdc
0 Vdc
0 Vdc
0 Vdc
HLO
0 Vdc
0 Vdc
0 Vdc
0 Vdc
38
0 Vdc
12 Vdc
12 Vdc
0 Vdc
7T
0 Vdc
0 Vdc
0 Vdc
0 Vdc
SP
1.95 Vdc
2.00 Vdc
2.04 Vdc
2.07 Vdc
12
12 Vdc
12 Vdc
12 Vdc
12 Vdc
11
12 Vdc
12 Vdc
12 Vdc
12 Vdc
HGV
0 Vdc
0 Vdc
0 Vdc
0 Vdc
7K
0 Vdc
0 Vdc
0 Vdc
0 Vdc
MOD
(-)
0 Vdc*
0 Vdc*
0 Vdc*
0 Vdc*
(+)
0 Vdc*
0 Vdc*
0 Vdc*
0 Vdc*
Disc
8B
0 Vdc
0 Vdc
0 Vdc
0 Vdc
Sensor
—
—
—
—
Sensor
—
—
—
—
Summary of Contents for 914970
Page 3: ...3...
Page 10: ...Table of Contents 10...
Page 40: ...Operating Instructions 40...
Page 82: ...Electronic Controls 82...
Page 92: ...Electrical Maintenance 92...
Page 124: ...Refrigeration Maintenance 124...
Page 140: ...Hilliard Clutch Maintenance 140...
Page 160: ...Refrigeration Diagrams 160...
Page 163: ...Index 163 W wiring 85 wiring diagrams 165...
Page 164: ...Index 164...
Page 166: ...Wiring and Schematic Diagrams Index 166...
Page 167: ...167 Cab Control RD Wiring Diagram...
Page 168: ...168 RD w o Thermostat Cab Control Schematic...
Page 169: ...169 RD Cab Box Wiring Diagram...
Page 170: ...170 RD Cab Control w Thermostat Schematic Diagram...
Page 171: ...171 RD 50 STD 3 Phase Wiring Diagram Page 1 of 2...
Page 172: ...172 RD 50 STD 3 Phase Wiring Diagram Page 2 of 2...
Page 173: ...173 RD 50 STD 3 Phase Schematic Diagram Page 1 of 2...
Page 174: ...174 RD 50 STD 3 Phase Schematic Diagram Page 2 of 2...
Page 175: ...175 RD 30 STD Wiring Diagram Page 1 of 2...
Page 176: ...176 RD 30 STD Wiring Diagram Page 2 of 2...
Page 177: ...177 RD 30 STD Schematic Diagram Page 1 of 2...
Page 178: ...178 RD 30 STD Schematic Diagram Page 2 of 2...
Page 179: ...179 RD 30 C S Wiring Diagram Page 1 of 2...
Page 180: ...180 RD 30 C S Wiring Diagram Page 2 of 2...
Page 181: ...181 RD w CYCLE SENTRY Schematic Diagram Page 1 of 2...
Page 182: ...182 RD w CYCLE SENTRY Schematic Diagram Page 2 of 2...
Page 183: ...183 RD 50 C S 3 Phase Wiring Diagram Page 1 of 2...
Page 184: ...184 RD 50 C S 3 Phase Wiring Diagram Page 2 of 2...
Page 185: ...185 RD w CYCLE SENTRY Schematic Diagram Page 1 of 2...
Page 186: ...186 RD w CYCLE SENTRY Schematic Diagram Page 2 of 2...