Toshiba ESTIA HWS-1501CSHM3-E, Service Manual

Page: 57 / 212

56
8-2.
Operation Mode
and Control
Method 10) Night set back (NIGHT SET BACK) operation
A night set back operation performs heating at 5K lower and cooling at 5K higher temperatures against the remote
controller set temperature from the setting start time (22:00) to the end time (6:00) every day.
Note) • Set the remote controller time before starting a NIGHT SET BACK operation.
• The set time can be changed with remote controller FC. (See page 114)
Related FC
11) FROST PROTECTION operation
A frost protection operation performs heating at the set temperature RSC_F = 15°C (FC).
1) How to operate
• Pressing the remote controller [ZONE1, 2] button and then the [FROST PROTECTION] button starts a heating
operation at the set temperature of 15°C.
• Pressing again the [FROST PROTECTION] button cancels the FROST PROTECTION operation.
• The remote controller displays "F" as the temperature during FROST PROTECTION.
• A set temperature change during a FROST PROTECTION operation cancels the operation.
2) Automatic stop of frost protection operation
• The operation period of frost protection can be set at FC 12 and 13 on the remote control.
Longest period available: 20 days and 23 hours
• By entering the operation period (day and hour) at FC 12 and 13 on the remote control and pressing the [Frost
Protection] button, the operation period is set and the frost protection operation will automatically be finished after
the period has passed.
• The operation period setting (day and hour) is stored in the memory.
Related FC
Item Operation flow and applicable data, etc.
FC No. Setting item Default Setting available range
Remote controller
OE
Night set back start Time setting 22:00 0:00-23:00
Remote controller
OF
Night set back end Time setting 6:00 0:00-23:00
26 Night set back setting Temperature width 5 degree 3 -20 degree
58 Night set back setting activate 0. Zone 1 & 2 1. Zone 1 only
FC No. Setting item Default Setting available range
3A FROST PROTECTION Yes / No 1: Yes 0: No
3B FROST PROTECTION Set temperature 15°C 10-20°C
12 (remote control) FROST running period (days) 0 0-20 days
13 (remote control) FROST running period (hours) 0 0-23hours