Technical data

35
STRATA2
Table 11
7.2 heating engineer parameter setting (contd)
(Prog#) Description of Prog# Range Preffered Setting
Space Heating
100 Displacement of heating curve -4.5..+4.5 0
101 Gain factor for room temperature influence 0..1 1
0 Active
1 Inactive
102 Room temperature pump switching differential – – –/0.5..4 0.0
Higher = Less stable temperature
Lower = More stable temperature
103 Minimum limitation of flow temperature 8…95 8
104 Maximum limitation of system flow temperature 8…95 82
105 Type of build construction 0/1 1
0 Heavy
1 Light
106 Adaption of heating curve 0/1 1
0 Inactive
1 Active
DHW
120 Reduced DHW set point 8-70 40
121 DHW time control 0..2 1
0 24 hours per day
1 As heating times with 1 hour shift
2 As DHW time settings
122 Pump operation 0..1 1
0 Heating timeswitch settings apply
1 DHW timeswitch settings apply
123 DHW control in cascade system 0..2 2
0 Controlled via master RVA 47
1 Controlled via all RVA 47s in segment
2 Controlled via all RVA 47s in LPB system
124 DHW charging cycles per 24 hour period 0..1 1
0 One per day with 2.5 hour forward shift
1 Several per day with 1 hour forward shift
125 DHW sensor type 0..1 0
0 Sensor
1 Thermostat switch
126 Flow temperature boost in DHW mode 0..30 20
127 DHW Priority/Shifting 0…31
0 Absolute priority
1 Shifting priority heating reduced to
increase recovery on DHW
2 No priority DHW and heating operate
3 Shifting/Absolute heating switched off,
mixing circuit decreased to increase recovery of DHW.
129 DHW reduced set point priority 0..1 1
0 No, heat taken from heating circuit to
increase DHW temperature
1 Yes, DHW boosted in isolation.
Cascade Settings
130 Hours run prior to sequence rotation 10.990 100
131 Rotation sequence program 0..3 0
0 No exemptions
1 The first module is exempt
2 The last module is exempt
3 The first and last modules are exempt
132 Lead module fixed/sequenced. 00.1…16.3 – – –
Allows one module to be lead unit
133 Cascade delay time 1..120 2
134 Anti cycling time 0..1800 180