Wiring Diagrams - Rinnai DO-SC18Z91 Operation & Installation Manual

5.4

WIRING DIAGRAMS

Figure 11. Typical Outdoor Unit Wiring Diagram (DO-SC22Z91 shown)
NOTE: MAINS ISOLATOR SHORT CIRCUIT AND
SHORT CIRCUIT PROTECTION BY OTHERS
Compressor start signal 24VAC.
The maximum allowable starts are 6 per hour.
No internal compressor start limit timer is provided.
This shall be incorporated into the thermostat.
LEGEND
Brivis
COLOUR CODE
NOTES:
1. COMPRESSOR AND OUTDOOR FAN MOTOR HAVE INTERNAL OVERLOADS AND MAY
RESTART AUTOMATICALLY.
2. HP SWITCH AND LP SWITCH ARE AUTO RESET.
3. INTERLOCK SHOULD BE PROVIDED FOR CONTROL CIRCUIT BETWEEN OUTDOOR AND
INDOOR UNIT.
4. ENSURE THAT CAPACITORS ARE COMPLETELY DISCHARGED BEFORE WORKING ON
EQUIPMENT.
SWITCHBOARD LAYOUT OF OUTDOOR UNIT
42 ICE Fixed Speed OIM