Safety Precautions
I General Equipment Descriptions
1. Unit confi guration table ············································ 1
2. Operable temperature range ··································· 1
3. Connectable outdoor unit/heat source unit
capacity range ························································· 1
II Product Specifi cations
1. Specifi cations ·························································· 2
(1) PWFY-P100VM-E-BU
(2) PWFY-P100VM-E-AU
(3) PWFY-P200VM-E-AU
(4) CMB-P104V-G1
(5) CMB-PW202V-J
2. External Dimensions················································ 6
(1) PWFY-P100VM-E-BU
(2) PWFY-P100, 200VM-E-AU
(3) CMB-P104,105,106,108,1010,1013,1016V-G1
(4) CMB-PW202V-J
3. Electrical Wiring Diagrams ···································· 10
(1) PWFY-P100VM-E-BU
(2) PWFY-P100, 200VM-E-AU
(3) CMB-P104V-G1
(4) CMB-PW202V-J
4. Accessories ··························································· 14
(1) PWFY
(2) CMB-P104V-G1
(3) CMB-PW202V-J
III Product Data
1. Capacity tables ······················································ 15
(1) Correction by temperature
(2) Correction by water fl ow rate
(3) Correction by total indoor
(4) Correction by refrigerant piping length
(5) Correction at frosting and defrosting
(6) Water pressure drop
(7) Operation temperature range
2. Sound pressure levels ··········································· 41
(1) PWFY-P100VM-E-BU
(2) PWFY-P100, 200VM-E-AU
3. Vibration levels ······················································ 42
(1) PWFY-P100VM-E-BU
4. Refrigerant circuit diagrams and
thermal sensors ····················································· 43
(1) PWFY-P100VM-E-BU
(2) PWFY-P100VM-E-AU
(3) PWFY-P200VM-E-AU
IV Installation
1. How to calculate the necessary heating capacity ·· 44
(1) Heating capacity calculation
(2) Calculation example
2. Installation ····························································· 45
(1) Selecting an installation site
(2) Installing the unit
(3) Refrigerant pipe and drain pipe specifi cations
(4) Connecting refrigerant pipes and drain pipes
3. Water pipe installation ··········································· 51
(1) Water circuit sample
(2) Selecting a water pump
(3) Installing the strainer
(4) Precautions during installation
(5) Example of unit installation
(6) Insulation installation
(7) Water processing and water quality control
(8) Pump interlock
(9) Anti freeze mode
V System Design
1. Electrical work ······················································· 56
(1) General cautions
(2) Power supply for PWFY unit
(3) Connecting remote controller,
indoor and outdoor transmission cables
(4) Transmission cable specifi cations
(5) Connecting electrical connections
(6) Indoor unit address setting
(7) External input/output function
(8) BC controller piping design
(9) WCB piping design
VI Controller
1. PAR-W21MAA specifi cations ································· 67
2. Dip switch functions ··············································· 68
VII Maintenance Cycle
1. Routine maintenance checks ································ 69
2. Parts Replacement Cycle ······································ 69
VIII Product Data (additional
information for chapter III.)
1. Outdoor unit capacity tables ·································· 70
(1) Correction by total indoor
(2) Correction by refrigerant piping length
(3) Correction at frosting and defrosting
Contents