Electrical Data; Typical Wiring Schematic - Carrier 58MVB Series Product Data

Electrical data

UNIT SIZE
UNIT VOLTS — HERTZ — PHASE
OPERATING VOLTAGE RANGE (Min — Max)
MAXIMUM UNIT AMPS
MINIMUM WIRE SIZE
MAXIMUM WIRE LENGTH (Ft)‡
MAXIMUM FUSE OR CKT BKR (Amps)
TRANSFORMER (24v)
EXTERNAL CONTROL POWER AVAILABLE Heating
* Permissible limits of the voltage range at which the unit will operate satisfactorily.
‡ Length shown is as measured 1 way along wire path between unit and service panel for maximum 2% voltage drop.
** Time-delay type is recommended.

Typical wiring schematic

BLK BLK
WHT WHT
GND
115-VOLT FIELD-
SUPPLIED
FUSED
DISCONNECT
14
*
**
Cooling
FIVE
WIRE
THREE-WIRE
HEATING-
ONLY
W2
COM
W/W1
Y/Y2
JUNCTION
BOX
R
CONTROL
G
BOX
24-VOLT
TERMINAL
BLOCK
FURNACE
040-14 060-14
8.9 8.9
14 14
31 31
15 15
NOTE 2
1-STAGE
THERMOSTAT
W C Y R G
TERMINALS
NOTE 1
NOTES: 1. Connect Y/Y2-terminal as shown for proper operation.
2. Some thermostats require a "C" terminal connection as shown.
3. If any of the original wire, as supplied, must be replaced, use
same type or equivalent wire.
080-14 080-20
115 — 60 — 1
104 — 127
8.9 13.8
14 12
31 32
15 20
40va
25va
34va
FIELD 24-VOLT WIRING
FIELD 115-, 208/230-, 460-VOLT WIRING
FACTORY 24-VOLT WIRING
FACTORY 115-VOLT WIRING
FIELD-SUPPLIED
FUSED DISCONNECT
GND
CONDENSING
UNIT
100-20 120-20
13.8 13.8
12 12
32 32
20 20
208/230- OR
460-VOLT
THREE
PHASE
208/230-
VOLT
SINGLE
PHASE
A95236