Hitachi YUTAKI S80 Series - Page 135

ENGLISH
Question Description Answers Action
Question 5a Which are the emitters of circuit 1?
Underoor
heating
Water calculation mode for circuit 1 heating (C1WC) = “Gradient”
Gradient curve for circuit 1 (C1OTC) = “0.4”
Fan coils
Water calculation mode for circuit 1 heating (C1WC) = “Fix”
Fixed T for circuit 1 (C1TF) = “45”
Radiators
Water calculation mode for circuit 1 heating (C1WC) = “Gradient”
Gradient curve for circuit 1 (C1OTC) = “1.2”
Question 5b Which are the emitters of circuit 2?
Underoor
heating
Water calculation mode for circuit 2 heating (C2WC) = “Gradient”
Gradient curve for circuit 2 (C2OTC) = “0.4”
Fan coils
Water calculation mode for circuit 2 heating (C2WC) = “Fix”
Fixed T for circuit 2 (C2TF) = “45”
Radiators
C2WC = “Gradient”
Gradient curve for circuit 2 (C2OTC) = “1.2”
Question 6
Do you have domestic hot water tank
installed?
No Status (DHWs) = “Disabled”
Yes Status (DHWs) = “Enabled”
Question 7
Do you have swimming pool
installed?
No Status (SWP) = “Disabled”
Yes Status (SWP) = “Enabled”
Question 8 Do you have boiler installed?
No -
Yes -
Question 9
Do you have electric backup heater
installed?
No
If question 8 has been answered as “Yes”:
- Heating source (HES) = “HP+Boiler”
If question 8 has been answered as “No”:
- Heating source (HES) = “HP Only”
Yes
If question 8 has been answered as “Yes”:
- Heating source (HES) = “HP+EH+Bo.”
If question 8 has been answered as “No”:
- Heating source (HES) = “HP+Heater”
Question 10 Select the bivalent point: -20 to 20
If questions 8 and 9 have been answered as “Yes”:
a) If value is <“-15”:
- Bivalent point (BOBP) = Value
- Bivalent point (HEBP) = Value + 5
b) If value is ≥”-15”:
- Bivalent point (HEBP) = Value
- Bivalent point (BOBP) = Value - 5
If question 8 has been answered as “Yes” and question 9 as “No”:
- Bivalent point (BOBP) = Value
If question 8 has been answered as “No” and question 9 as “Yes”:
- Bivalent point (HEBP) = Value
Question 11 How many thermostats are installed?
0 Thermostat type (RTType) = “None”
1 -
2 -
Question 12 How are they connected?
Wired
If question 11 has been answered with a value different than “0”, “Check RT
address” is launched.
Wireless
If question 11 has been answered as “1”:
- Thermostat 1 (otC1) = “C1”
- Thermostat 2 (otC2) = “None”
If question 11 has been answered as “2”:
- Thermostat 1 (otC1) = “C1”
- Thermostat 2 (otC2) = “Room C2”
UNIT CONTROLLER
PMML0335A rev.1 - 04/2016
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