Installation manual

McQuay IM 487-4 59
Wiring Diagrams
T9 Transformer, refrig. circuit 24V Main control box
TB1 Terminal block, internal Main control box
TB2 Terminal block, field Main control box
TB3 Terminal blocks, factory Main control box
TB4 Terminal block, RFS, field Main control box
TB7 Terminal block, 115V
convenience outlet, field
Main control box
TB11 Terminal block, heat Heat control box
TB25, 26,
27, 28
Terminal block, split unit
junction box
Junction box, split unit
TD5–8 Time delay, part winding,
compr #1 - 4
Main control box
TD10 Time delay, hi turn down burner Gas heat box
TR1, 2 Transducer, pressure Main control box
UV Ultra-violet light(s) Coil/discharge section
VM1 Valve motor #1, heating Gas heat box/ heat section
VM5 Valve motor #5, cooling Coil section, cool
VV1 Vent valve, gas heat Heat Section, Gas
ZNT1 Zone temp. sensor, setback Field installed
ID Description Standard location
200/ H200
1. Field wiring
3. Shielded wire/cable
4. Main control box
terminals
5. Auxilliary box
terminals
6. Field terminals
7. Plug connector
8. Wire/harness number
General Notes
2. Factory wiring
9. Wire nut/ID
WN7