Factory Direct Hardware Toto ABA990X#01FCP - Manual (Page 15)

15
5-2 Function module
Power supply cord (6.6 ft (2 m))
Junction cable
(23 ft (7 m) or 49 ft (15 m))
• Signal junction cable
• Air blower junction cable
• Shoulder warmer junction cable
• Underwater illumination
junction cable
Fill-tub route
Cold water
supply route
Hot water supply route
Drain Valve
Water heater
Hot water supply
Cold water
NPT1/2
NPT3/4
NPT3/4
Drain Pipe
The function module requires a hot water supply temperature of at least 140°F (60°C). (No more than 158°F (70°C).
If the supply temperature of the hot water is too low, it won't be possible to fill the tub to the temperature setting on
the controller.
The function module mixes the supply of hot and cold water and runs hot water out of the fill-tub outlet, so the
temperature of the water flowing out will be lower than the temperature of the water being supplied to the function
module.
The pressure of the hot and cold water supplied to the function module must be at least 29 psi (0.20 MPa) (when
flowing). (No more than 108.75 psi (0.75 MPa)).
The pressure differential of the cold water is to be greater than that of the hot water and kept within
14.5 psi (0.10 MPa).
If the pressure is low, the water won't flow out like a waterfall. Additionally, it will take longer for the tub to fill with hot
water.
Supply Equipment Specifications
o Supply Pressure 29 to 108.75 psi (0.20 to 0.75 MPa)
o Supply Temperature 140 to 158°F (60 to 70°C)
o Hot water usage
• Max. temperature 113°F (45°C)
• Max. flow rate 9.2 gal/min. (35 L/min.)
• Max. capacity 145 gal. (550 L)
The diameter of the function module connector is NPT 3/4. Please do not make the diameter of the plumbing smaller
than the diameter of the connector to the function module.
The use of equipment below full capacity could lead to problems for the clients.
It is necessary to have space between the tip of the water pipe drainage. If not the water could backflow.