8
19 - Maintenance
19.1.- General
To ensure proper operation of the units with minimum energy
consumption and a long service life, a maintenance plan
should be established.
The following table recommends the frequency of regular
maintenance operations, depending on work and environ-
mental conditions of each unit.
Maintenance operations should be carried out by qualified
technical personnel only, updating the maintenance log book
of each unit regularly.
Attention:
Before opening any access to the interior of the unit, all power
supply should be turned off.
Frequency
1 month
2 months
6 months
annually
Belts (indoor fan)
X
Air filter
X
Indoor coil (evap. unit)
X
Condensed water tray and siphon
X
Outdoor coils (cond. units)
X
Outdoor air intake (accessory)
X
Refrigerant circuit
X
Mechanical and electric operation
X
Structure integrity and unit components
X
Hot water coil (accessory)
X
Gas heating (models D4IG)
X
Summary of Contents for D4IC-360
Page 2: ......
Page 43: ...43 20 Wiring diagrams 20 1 Cool only models D4IC 360 D4IC 360G50 400 3 50 1 of 3 ...
Page 44: ...44 D4IC 360G50 400 3 50 2 of 3 ...
Page 45: ...45 D4IC 360G50 400 3 50 3 of 3 ...
Page 46: ...46 20 2 Cool only models D4IC 480 D4IC 480G50 400 3 50 1 of 3 ...
Page 47: ...47 D4IC 480G50 400 3 50 2 of 3 ...
Page 48: ...48 D4IC 480G50 400 3 50 3 of 3 ...
Page 49: ...49 20 3 Heat pump models B4IH 360 400 3 50 1 of 3 ...
Page 50: ...50 B4IH 360 400 3 50 2 of 3 ...
Page 51: ...51 B4IH 360 400 3 50 3 of 3 ...
Page 52: ...52 20 4 Heat pump models B4IH 480 400 3 50 1 of 3 ...
Page 53: ...53 B4IH 480 400 3 50 2 of 3 ...
Page 54: ...54 B4IH 480 400 3 50 3 of 3 ...
Page 55: ...55 20 5 Cool only gas heating models D4IG 360 400 3 50 1 of 4 ...
Page 56: ...56 D4IG 360 400 3 50 2 of 4 ...
Page 57: ...57 D4IG 360 400 3 50 3 of 4 ...
Page 58: ...58 D4IG 360 400 3 50 4 of 4 ...
Page 59: ...59 20 5 Cool only gas heating models D4IG 480 400 3 50 1 of 4 ...
Page 60: ...60 D4IG 480 400 3 50 2 of 4 ...
Page 61: ...61 D4IG 480 400 3 50 3 of 4 ...
Page 62: ...62 D4IG 480 400 3 50 4 of 4 ...
Page 63: ...63 Configuration of switches Data and dimensions are subject to change without prior notice ...
Page 64: ...www johnsoncontrols com ...