Flowchart Of Model Selection; Design Principle; Selection Of The Underfloor Coils; Calculation Of Unit Load For Floor Heating - Gree GRS-CQ8.0Pd/NaEK Service Manual

2.3 Flowchart of Model Selection

2.4 Design Principle

(1) Cooling: capacity of the unit ≥ cooling load of the air conditioning
(2) Heating: capacity of the unit ≥ max{ heating load, floor heating load, water heating load}
(3) Water Tank: it should be selected based on the sanitary outfit or quantity of users. Each unit
can accommodate only one water tank.

3 Selection of the Underfloor Coils

3.1 Calculation of Unit Load for Floor Heating

Empirical Values of Floor Heating Load Per Square Meter
Dining Room
Mater Room
Guest Room
Study Room
Dining Room
Mater Room
Guest Room
Study Room
Note：
① Villas whose load is generally larger than the houses should take the value between the middle
Design and Selection
2
House W/m
2
Villa W/m
29
100~120
100~110
110~130
90~110
110~140
100~120
100~130
100~120