Toshiba MMU-UP0071MH-UL Service Manual page 41

No. Item
25 Secondary
heating
(Continued)
Outline of specifications
DN [C5] Data
0000
0001
DN [C6] Data
-0015 "-0015": 5°F(-15°C) to "0015": 59°F(15°C)
to "0000": 32°F(0°C) (Factory default)
0015
DN [C7]
Data
0000
0001 0001: 2°F(1°C) to "0010": 18°F(10°C)
to
0010
DN [DB] Data
0001 "0001": 0.5°F(0.5°C) to "0010": 9°F(5°C)
to "0006": 5°F(3°C) (Factory default)
0010
DN [DC]
Data a : Ts - TA
0000
0001 0001: 2°F(1°C) to "0010": 18°F(10°C)
to
0010
<Wiring>
• MCC-1744 model
Use - pin (Cooling output, DC 12 V) of CN60 on indoor
P.C. board for output.
Relay (DC12V, procured locally)
Corresponds to the relay up to one that the rated
current of the operation coil is approx. 75mA
CN60
1 1
Option
2 2
output
3 3
(6P WHI)
4 4
5 5
6 6
Note) Determine the cable length between the
Indoor control
P.C. board
• MCC-1643 model
Use CN32 on indoor P.C. board for output.
Set DN[191] to 0001 and wire as shown below.
Relay (DC12V, procured locally)
Corresponds to the relay up
to one that the rated current
of the operation coil is approx. 75mA
CN32
1 1
(2P WHI)
2 2
Indoor control
P.C. board
Note) Determine the cable length between the
indoor control P.C. board and the relay within 6.6' (2m).
* The output state can be checked from "Monitor function" on
the wired remote controller. See page 83 or the manual for the
remote controller for operation methods of "Monitor function".
Monitor Secondary heating output
CODE No. - - - -: Unavailable
E5 0000: OFF
0001: ON
Secondary heating mode
Normal mode (Factory default)
Flip mode
TO : Set temp. out (high) [ºF(ºC)]
H
c : TO - TO [ºF(ºC)]
H L
Unavailable (Factory default)
b : TA - TA [ºF(ºC)]
H L
(Normal mode) [ºF(ºC)]
H
TA - Ts (Flip mode) [ºF(ºC)]
L
Unavailable (Factory default)
Connect to
secondary
heating unit
indoor control P.C.board and the relay
within 6.6' (2m).
Connect to
secondary
heating unit
– 41 –
Remarks