EasyManuals Logo

Fujitsu ASUH24LPAS Service Manual

Fujitsu ASUH24LPAS
169 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #158 background imageLoading...
Page #158 background image
Auxiliary heater control by outdoor temperature 2
This control selects heat pump or external heater according to the outdoor temperature. Even when
outdoor temperature is high, the heating is performed by using both of heat pump and external
heater.
Operation Condition
Heater on Heater is on as shown in following diagram of heating temperature.
Heater off
Heater is off as shown in following diagram of heating temperature.
Other than heating mode
Error occurred
Forced thermostat off
Temperature of heater on (Thon): Adjustable by function number 62 (Operating temperature
switching of external heaters).
All control temperatures will shift by adjusting “Thon”.
Outdoor temperature zone boundary A: Adjustable by function setting number 66.
External heater output
Tr: Room temperature
Ts: Set temperature
Thon: Heater on temperature
Off
On
Tr-Ts ≥ 0.9°F
(0.5°C)
Tr-Ts
Tr-Ts (=Thon) ≤ -0.9°F
(
-0.5°C)
Outdoor temperature zone
Combination zone
(Heat pump + Heater)
Heat pump prohibition zone
(Heater)
A: -4°F (-20°C)*
A + 3.6°F ( 2°C): -0.4°F (-18°C)
Outdoor temp.
*: Adjustable by function setting 66
2-4. Details of function
- (05-28) - 2. External input and output
FIELD
WORKING
FIELD
WORKING

Table of Contents

Other manuals for Fujitsu ASUH24LPAS

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Fujitsu ASUH24LPAS and is the answer not in the manual?

Fujitsu ASUH24LPAS Specifications

General IconGeneral
BrandFujitsu
ModelASUH24LPAS
CategoryAir Conditioner
LanguageEnglish

Related product manuals